Rename Editor to EditorAce.
Basic support for CodeMirror.
Rename main object from TextDrive to TextApp.
Make CodeMirror work (partly).
Use all the available space for the editor.
Make search work on CodeMirror.
Implement change event and getting contents of CodeMirror tab.
Open existing files with CodeMirror.
Bind undo/redo in CM.
Remove unneeded functions increase/decreaseFontSize.
Fix misprint.
Make changing font size work in CM.
Themes in CodeMirror.
Remove debug output in build.py.
Compile CodeMirror together with Text.app.
Make syntax highlighting work with CodeMirror.
Fix line height.
Fix line wrapping.
Hide right margin options because it is not implemented in CodeMirror.